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vmstorfl.sys

Virtual Storage Filter Driver

WinSE Build Service Account

It runs as a Windows kernel mode device driver named “Disk Virtual Machine Bus Acceleration Filter Driver”.
Publisher:
Microsoft Corporation  (signed by WinSE Build Service Account)

Product:
Microsoft® Windows® Operating System

Description:
Virtual Storage Filter Driver

Version:
6.0.6002.18005 (lh_sp2rtm.090410-1830)

MD5:
3ae93339320818af3cd654a13c9831ee

SHA-1:
285ac0449289348b35dbb3b7b9234fcef1761906

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
9/19/2025 10:37:22 AM UTC  (today)

File size:
37 KB (37,872 bytes)

Product version:
6.0.6002.18005

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
vmstorfl.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\vmstorfl.sys

Digital Signature
Signed by:
WinSE Build Service Account

Authority:
MSIT Test CodeSign CA 2

Valid from:
3/13/2009 2:23:14 AM

Valid to:
3/13/2010 1:23:14 AM

Subject:
CN=WinSE Build Service Account

Issuer:
CN=MSIT Test CodeSign CA 2, DC=redmond, DC=corp, DC=microsoft, DC=com

Serial number:
294D73FF000100002C50

File PE Metadata
Compilation timestamp:
4/11/2009 12:28:18 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
8.0

CTPH (ssdeep):
768:7LDeGJ0u0yfvrVndg8EK0wcYX/fBF94Gm9d29qBovww33jfF1Wm:7fDxyKNcYX/94Gk7qrF1x

Entry address:
0x6C6F

Entry point:
8B, FF, 55, 8B, EC, A1, 88, 5D, 01, 00, 85, C0, B9, 4E, E6, 40, BB, 74, 04, 3B, C1, 75, 1A, A1, 8C, 5A, 01, 00, 8B, 00, 35, 88, 5D, 01, 00, A3, 88, 5D, 01, 00, 75, 07, 8B, C1, A3, 88, 5D, 01, 00, F7, D0, A3, 8C, 5D, 01, 00, 5D, E9, 59, FD, FF, FF, CC, 41, 70, 72, 20, 31, 30, 20, 32, 30, 30, 39, 00, 31, 39, 3A, 35, 31, 3A, 34, 37, 00, CC, 49, 00, 6F, 00, 47, 00, 65, 00, 74, 00, 50, 00, 61, 00, 67, 00, 69, 00, 6E, 00, 67, 00, 49, 00, 6F, 00, 50, 00, 72, 00, 69, 00, 6F, 00, 72, 00, 69, 00, 74, 00, 79, 00, 00...
 
[+]

Entropy:
6.4952

Code size:
25.6 KB (26,240 bytes)

Driver
Display name:
Disk Virtual Machine Bus Acceleration Filter Driver

Service name:
storflt

Type:
Kernel device driver (KernelDriver)

Group:
Extended Base


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